Norris D.H.1,2, Ignatov M.S.3 2000. Observations on stem surface anatomy in Climacium and Pleuroziopsis (Climaciaceae: Musci) // Arctoa. Vol. 9: 151–154 [in English].

1 University Herbarium, University of California, Berkeley 94720 U.S.A.

2 Botanical Museum, University of Helsinki, Box 47, SF 00014, Helsinki, Finland

3 Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia

KEYWORDS: Pleuroziopsis, Climacium, Climaciaceae, taxonomy, morphology, paraphyllia.

ABSTRACT. Pleuroziopsis was segregated from Climaciaceae into a separate monotypic family Pleuroziopsidaceae by Ireland (1968). According to Ireland, the most important and unique characteristic of Pleuroziopsis is a fluting of the stem by streaks of stem lamellae. However, this pattern of stem fluting is shown to be shared with the genus Climacium, so Pleuroziopsis is returned to Climaciaceae.


doi: 10.15298/arctoa.09.18

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